./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:54:22,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:54:22,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:54:22,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:54:22,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:54:22,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:54:22,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:54:22,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:54:22,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:54:22,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:54:22,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:54:22,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:54:22,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:54:22,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:54:22,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:54:22,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:54:22,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:54:22,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:54:22,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:54:22,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:54:22,485 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:54:22,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:54:22,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:54:22,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:54:22,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:54:22,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:54:22,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:54:22,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:54:22,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:54:22,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:54:22,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:54:22,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:54:22,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:54:22,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:54:22,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:54:22,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:54:22,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:54:22,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:54:22,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:54:22,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:54:22,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:54:22,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:54:22,498 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:54:22,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:54:22,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:54:22,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:54:22,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:54:22,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:54:22,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:54:22,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:54:22,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:54:22,516 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:54:22,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:54:22,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:54:22,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:54:22,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:54:22,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:54:22,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:54:22,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:54:22,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:54:22,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:54:22,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:54:22,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:54:22,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:54:22,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:54:22,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:54:22,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:54:22,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:54:22,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:54:22,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:54:22,519 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:54:22,519 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:54:22,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:54:22,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-22 23:54:22,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:54:22,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:54:22,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:54:22,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:54:22,728 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:54:22,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-22 23:54:22,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2562586c1/a6925a547744455c83f54d9058ffa244/FLAG0ca2974d8 [2022-07-22 23:54:23,455 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:54:23,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-22 23:54:23,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2562586c1/a6925a547744455c83f54d9058ffa244/FLAG0ca2974d8 [2022-07-22 23:54:23,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2562586c1/a6925a547744455c83f54d9058ffa244 [2022-07-22 23:54:23,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:54:23,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:54:23,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:54:23,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:54:23,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:54:23,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:54:23" (1/1) ... [2022-07-22 23:54:23,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706b562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:23, skipping insertion in model container [2022-07-22 23:54:23,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:54:23" (1/1) ... [2022-07-22 23:54:23,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:54:23,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:54:24,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-22 23:54:26,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:54:26,165 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:54:26,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-22 23:54:26,343 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 23:54:26,352 INFO L158 Benchmark]: Toolchain (without parser) took 2549.53ms. Allocated memory was 100.7MB in the beginning and 289.4MB in the end (delta: 188.7MB). Free memory was 63.4MB in the beginning and 192.6MB in the end (delta: -129.2MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2022-07-22 23:54:26,353 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 23:54:26,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2547.86ms. Allocated memory was 100.7MB in the beginning and 289.4MB in the end (delta: 188.7MB). Free memory was 63.0MB in the beginning and 192.6MB in the end (delta: -129.6MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2022-07-22 23:54:26,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2547.86ms. Allocated memory was 100.7MB in the beginning and 289.4MB in the end (delta: 188.7MB). Free memory was 63.0MB in the beginning and 192.6MB in the end (delta: -129.6MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:54:27,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:54:27,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:54:27,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:54:27,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:54:27,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:54:27,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:54:27,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:54:27,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:54:27,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:54:27,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:54:28,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:54:28,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:54:28,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:54:28,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:54:28,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:54:28,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:54:28,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:54:28,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:54:28,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:54:28,013 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:54:28,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:54:28,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:54:28,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:54:28,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:54:28,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:54:28,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:54:28,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:54:28,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:54:28,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:54:28,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:54:28,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:54:28,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:54:28,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:54:28,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:54:28,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:54:28,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:54:28,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:54:28,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:54:28,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:54:28,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:54:28,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:54:28,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 23:54:28,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:54:28,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:54:28,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:54:28,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:54:28,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:54:28,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:54:28,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:54:28,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:54:28,064 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:54:28,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:54:28,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:54:28,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:54:28,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:54:28,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:54:28,065 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 23:54:28,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 23:54:28,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 23:54:28,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:54:28,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:54:28,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:54:28,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:54:28,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:54:28,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:54:28,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:54:28,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:54:28,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:54:28,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:54:28,068 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 23:54:28,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 23:54:28,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:54:28,069 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:54:28,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:54:28,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 23:54:28,069 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2022-07-22 23:54:28,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:54:28,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:54:28,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:54:28,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:54:28,381 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:54:28,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-22 23:54:28,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11509ebbb/5d80e32d7b544522b69dd82206a89db5/FLAGa48c5acd2 [2022-07-22 23:54:29,128 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:54:29,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-22 23:54:29,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11509ebbb/5d80e32d7b544522b69dd82206a89db5/FLAGa48c5acd2 [2022-07-22 23:54:29,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11509ebbb/5d80e32d7b544522b69dd82206a89db5 [2022-07-22 23:54:29,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:54:29,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:54:29,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:54:29,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:54:29,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:54:29,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:54:29" (1/1) ... [2022-07-22 23:54:29,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb83a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:29, skipping insertion in model container [2022-07-22 23:54:29,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:54:29" (1/1) ... [2022-07-22 23:54:29,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:54:29,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:54:30,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-22 23:54:32,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:54:32,742 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 23:54:32,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:54:32,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-22 23:54:33,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:54:33,181 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:54:33,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2022-07-22 23:54:33,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:54:33,598 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:54:33,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33 WrapperNode [2022-07-22 23:54:33,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:54:33,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:54:33,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:54:33,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:54:33,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:33,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:33,957 INFO L137 Inliner]: procedures = 420, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8281 [2022-07-22 23:54:33,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:54:33,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:54:33,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:54:33,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:54:33,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:33,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:54:34,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:54:34,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:54:34,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:54:34,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (1/1) ... [2022-07-22 23:54:34,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:54:34,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:54:34,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 23:54:34,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 23:54:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2022-07-22 23:54:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2022-07-22 23:54:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-22 23:54:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2022-07-22 23:54:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2022-07-22 23:54:34,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2022-07-22 23:54:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-07-22 23:54:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-07-22 23:54:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-22 23:54:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-22 23:54:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:54:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:54:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-22 23:54:34,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-22 23:54:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-22 23:54:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-22 23:54:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2022-07-22 23:54:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2022-07-22 23:54:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2022-07-22 23:54:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2022-07-22 23:54:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-22 23:54:34,453 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2022-07-22 23:54:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2022-07-22 23:54:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2022-07-22 23:54:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:54:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:54:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2022-07-22 23:54:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2022-07-22 23:54:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2022-07-22 23:54:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2022-07-22 23:54:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2022-07-22 23:54:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2022-07-22 23:54:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:54:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:54:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-22 23:54:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2022-07-22 23:54:34,455 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2022-07-22 23:54:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2022-07-22 23:54:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2022-07-22 23:54:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2022-07-22 23:54:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2022-07-22 23:54:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-22 23:54:34,456 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2022-07-22 23:54:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-22 23:54:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-22 23:54:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-22 23:54:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:54:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:54:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:54:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2022-07-22 23:54:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2022-07-22 23:54:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-22 23:54:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-22 23:54:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-22 23:54:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 23:54:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 23:54:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 23:54:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 23:54:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 23:54:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-22 23:54:34,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-22 23:54:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 23:54:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 23:54:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:54:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:54:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-22 23:54:34,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-22 23:54:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-22 23:54:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-22 23:54:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:54:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:54:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2022-07-22 23:54:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2022-07-22 23:54:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-07-22 23:54:34,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-07-22 23:54:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-22 23:54:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-22 23:54:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2022-07-22 23:54:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2022-07-22 23:54:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-07-22 23:54:34,461 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-07-22 23:54:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-22 23:54:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:54:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-22 23:54:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-22 23:54:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-22 23:54:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-22 23:54:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:54:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-22 23:54:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-22 23:54:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2022-07-22 23:54:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2022-07-22 23:54:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:54:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:54:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2022-07-22 23:54:34,463 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2022-07-22 23:54:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 23:54:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 23:54:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 23:54:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:54:34,464 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:54:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2022-07-22 23:54:34,464 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2022-07-22 23:54:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2022-07-22 23:54:34,464 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2022-07-22 23:54:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2022-07-22 23:54:34,464 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2022-07-22 23:54:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-22 23:54:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~C_INT [2022-07-22 23:54:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2022-07-22 23:54:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2022-07-22 23:54:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 23:54:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2022-07-22 23:54:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2022-07-22 23:54:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:54:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:54:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 23:54:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 23:54:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 23:54:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2022-07-22 23:54:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2022-07-22 23:54:34,466 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2022-07-22 23:54:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2022-07-22 23:54:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 23:54:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 23:54:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:54:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 23:54:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:54:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:54:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:54:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2022-07-22 23:54:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2022-07-22 23:54:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-22 23:54:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-22 23:54:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2022-07-22 23:54:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2022-07-22 23:54:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2022-07-22 23:54:34,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2022-07-22 23:54:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-22 23:54:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-22 23:54:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-07-22 23:54:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-07-22 23:54:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 23:54:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 23:54:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-22 23:54:34,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-22 23:54:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:54:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:54:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:54:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:54:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-22 23:54:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-22 23:54:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:54:34,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:54:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2022-07-22 23:54:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2022-07-22 23:54:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2022-07-22 23:54:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2022-07-22 23:54:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2022-07-22 23:54:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2022-07-22 23:54:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:54:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 23:54:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 23:54:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:54:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2022-07-22 23:54:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2022-07-22 23:54:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2022-07-22 23:54:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2022-07-22 23:54:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-22 23:54:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-22 23:54:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2022-07-22 23:54:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2022-07-22 23:54:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2022-07-22 23:54:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2022-07-22 23:54:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 23:54:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 23:54:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2022-07-22 23:54:34,473 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2022-07-22 23:54:34,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 23:54:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-22 23:54:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-22 23:54:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 23:54:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:54:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-22 23:54:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-22 23:54:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2022-07-22 23:54:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2022-07-22 23:54:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 23:54:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 23:54:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 23:54:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 23:54:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2022-07-22 23:54:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2022-07-22 23:54:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2022-07-22 23:54:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2022-07-22 23:54:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2022-07-22 23:54:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2022-07-22 23:54:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-22 23:54:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-22 23:54:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2022-07-22 23:54:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2022-07-22 23:54:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:54:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:54:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2022-07-22 23:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2022-07-22 23:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2022-07-22 23:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2022-07-22 23:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-22 23:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-22 23:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2022-07-22 23:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2022-07-22 23:54:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-22 23:54:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-22 23:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 23:54:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-22 23:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:54:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-22 23:54:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-22 23:54:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2022-07-22 23:54:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2022-07-22 23:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-22 23:54:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-22 23:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 23:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 23:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 23:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 23:54:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:54:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2022-07-22 23:54:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2022-07-22 23:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2022-07-22 23:54:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2022-07-22 23:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2022-07-22 23:54:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2022-07-22 23:54:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2022-07-22 23:54:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2022-07-22 23:54:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2022-07-22 23:54:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2022-07-22 23:54:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-22 23:54:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-22 23:54:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-22 23:54:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-22 23:54:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-22 23:54:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-22 23:54:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2022-07-22 23:54:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2022-07-22 23:54:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2022-07-22 23:54:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2022-07-22 23:54:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2022-07-22 23:54:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2022-07-22 23:54:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2022-07-22 23:54:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2022-07-22 23:54:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2022-07-22 23:54:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2022-07-22 23:54:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2022-07-22 23:54:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2022-07-22 23:54:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2022-07-22 23:54:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2022-07-22 23:54:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-22 23:54:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-22 23:54:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-07-22 23:54:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-07-22 23:54:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2022-07-22 23:54:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2022-07-22 23:54:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-22 23:54:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-22 23:54:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-22 23:54:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-22 23:54:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-22 23:54:35,378 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:54:35,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:54:40,920 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:56:40,855 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:56:40,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:56:40,881 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 23:56:40,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:56:40 BoogieIcfgContainer [2022-07-22 23:56:40,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:56:40,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:56:40,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:56:40,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:56:40,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:54:29" (1/3) ... [2022-07-22 23:56:40,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097f51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:56:40, skipping insertion in model container [2022-07-22 23:56:40,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:54:33" (2/3) ... [2022-07-22 23:56:40,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7097f51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:56:40, skipping insertion in model container [2022-07-22 23:56:40,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:56:40" (3/3) ... [2022-07-22 23:56:40,893 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2022-07-22 23:56:40,904 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:56:40,904 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:56:41,007 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:56:41,011 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39966963, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@17ae2393 [2022-07-22 23:56:41,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:56:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2022-07-22 23:56:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-22 23:56:41,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:56:41,033 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:56:41,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:56:41,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:56:41,038 INFO L85 PathProgramCache]: Analyzing trace with hash -334148442, now seen corresponding path program 1 times [2022-07-22 23:56:41,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:56:41,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247736707] [2022-07-22 23:56:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:56:41,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:56:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:56:41,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:56:41,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 23:56:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:45,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 3783 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:56:45,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:56:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-22 23:56:45,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:56:45,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:56:45,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247736707] [2022-07-22 23:56:45,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247736707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:56:45,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:56:45,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:56:45,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115891371] [2022-07-22 23:56:45,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:56:45,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:56:45,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:56:45,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:56:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:56:45,449 INFO L87 Difference]: Start difference. First operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:56:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:56:47,451 INFO L93 Difference]: Finished difference Result 5370 states and 7993 transitions. [2022-07-22 23:56:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:56:47,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-07-22 23:56:47,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:56:47,491 INFO L225 Difference]: With dead ends: 5370 [2022-07-22 23:56:47,492 INFO L226 Difference]: Without dead ends: 2674 [2022-07-22 23:56:47,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:56:47,522 INFO L413 NwaCegarLoop]: 3841 mSDtfsCounter, 2 mSDsluCounter, 7602 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11443 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:56:47,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11443 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-22 23:56:47,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-07-22 23:56:47,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2022-07-22 23:56:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1872 states have (on average 1.3317307692307692) internal successors, (2493), 1890 states have internal predecessors, (2493), 685 states have call successors, (685), 116 states have call predecessors, (685), 116 states have return successors, (721), 684 states have call predecessors, (721), 684 states have call successors, (721) [2022-07-22 23:56:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3899 transitions. [2022-07-22 23:56:47,761 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3899 transitions. Word has length 80 [2022-07-22 23:56:47,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:56:47,763 INFO L495 AbstractCegarLoop]: Abstraction has 2674 states and 3899 transitions. [2022-07-22 23:56:47,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-22 23:56:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3899 transitions. [2022-07-22 23:56:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 23:56:47,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:56:47,771 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:56:47,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:56:47,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:56:47,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:56:47,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:56:47,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1024130203, now seen corresponding path program 1 times [2022-07-22 23:56:47,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:56:47,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782795314] [2022-07-22 23:56:47,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:56:47,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:56:47,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:56:48,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:56:48,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 23:56:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:56:52,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 3816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 23:56:52,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:56:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-22 23:56:52,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:56:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-22 23:56:53,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:56:53,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782795314] [2022-07-22 23:56:53,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782795314] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:56:53,286 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:56:53,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 23:56:53,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525405719] [2022-07-22 23:56:53,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:56:53,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:56:53,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:56:53,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:56:53,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:56:53,293 INFO L87 Difference]: Start difference. First operand 2674 states and 3899 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 23:56:58,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:56:58,770 INFO L93 Difference]: Finished difference Result 5340 states and 7981 transitions. [2022-07-22 23:56:58,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 23:56:58,774 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2022-07-22 23:56:58,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:56:58,791 INFO L225 Difference]: With dead ends: 5340 [2022-07-22 23:56:58,791 INFO L226 Difference]: Without dead ends: 2685 [2022-07-22 23:56:58,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-07-22 23:56:58,809 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 14 mSDsluCounter, 11221 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 15002 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:56:58,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15002 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-22 23:56:58,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2022-07-22 23:56:58,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2022-07-22 23:56:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 1880 states have (on average 1.3335106382978723) internal successors, (2507), 1898 states have internal predecessors, (2507), 685 states have call successors, (685), 117 states have call predecessors, (685), 117 states have return successors, (758), 684 states have call predecessors, (758), 684 states have call successors, (758) [2022-07-22 23:56:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3950 transitions. [2022-07-22 23:56:58,907 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3950 transitions. Word has length 83 [2022-07-22 23:56:58,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:56:58,909 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 3950 transitions. [2022-07-22 23:56:58,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-22 23:56:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3950 transitions. [2022-07-22 23:56:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-22 23:56:58,912 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:56:58,912 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:56:59,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-22 23:56:59,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:56:59,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:56:59,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:56:59,136 INFO L85 PathProgramCache]: Analyzing trace with hash -393231130, now seen corresponding path program 2 times [2022-07-22 23:56:59,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:56:59,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385248450] [2022-07-22 23:56:59,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:56:59,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:56:59,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:56:59,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:56:59,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 23:57:02,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:57:02,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:57:02,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 3628 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 23:57:02,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-22 23:57:03,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:57:03,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:03,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385248450] [2022-07-22 23:57:03,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385248450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:57:03,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:57:03,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 23:57:03,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695032076] [2022-07-22 23:57:03,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:57:03,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 23:57:03,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:03,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 23:57:03,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:57:03,081 INFO L87 Difference]: Start difference. First operand 2683 states and 3950 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-22 23:57:05,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:57:05,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:05,593 INFO L93 Difference]: Finished difference Result 7968 states and 11741 transitions. [2022-07-22 23:57:05,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 23:57:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 88 [2022-07-22 23:57:05,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:05,627 INFO L225 Difference]: With dead ends: 7968 [2022-07-22 23:57:05,628 INFO L226 Difference]: Without dead ends: 5309 [2022-07-22 23:57:05,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 23:57:05,644 INFO L413 NwaCegarLoop]: 4544 mSDtfsCounter, 3781 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3781 SdHoareTripleChecker+Valid, 8384 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:05,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3781 Valid, 8384 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-22 23:57:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2022-07-22 23:57:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5307. [2022-07-22 23:57:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 3722 states have (on average 1.335840945728103) internal successors, (4972), 3757 states have internal predecessors, (4972), 1351 states have call successors, (1351), 233 states have call predecessors, (1351), 233 states have return successors, (1461), 1350 states have call predecessors, (1461), 1350 states have call successors, (1461) [2022-07-22 23:57:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7784 transitions. [2022-07-22 23:57:05,836 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7784 transitions. Word has length 88 [2022-07-22 23:57:05,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:05,837 INFO L495 AbstractCegarLoop]: Abstraction has 5307 states and 7784 transitions. [2022-07-22 23:57:05,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-22 23:57:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7784 transitions. [2022-07-22 23:57:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-07-22 23:57:05,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:05,841 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:05,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-22 23:57:06,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:06,061 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:06,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash -435486850, now seen corresponding path program 1 times [2022-07-22 23:57:06,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:06,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395444664] [2022-07-22 23:57:06,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:06,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:06,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:06,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:57:06,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 23:57:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:10,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 23:57:10,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 64 proven. 10 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-22 23:57:10,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:57:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-22 23:57:11,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:11,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395444664] [2022-07-22 23:57:11,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395444664] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:57:11,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:57:11,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-22 23:57:11,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972551552] [2022-07-22 23:57:11,947 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:57:11,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 23:57:11,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:11,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 23:57:11,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:57:11,948 INFO L87 Difference]: Start difference. First operand 5307 states and 7784 transitions. Second operand has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-22 23:57:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:29,737 INFO L93 Difference]: Finished difference Result 10641 states and 16324 transitions. [2022-07-22 23:57:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-07-22 23:57:29,739 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-07-22 23:57:29,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:29,770 INFO L225 Difference]: With dead ends: 10641 [2022-07-22 23:57:29,770 INFO L226 Difference]: Without dead ends: 5351 [2022-07-22 23:57:29,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2022-07-22 23:57:29,797 INFO L413 NwaCegarLoop]: 3784 mSDtfsCounter, 41 mSDsluCounter, 22459 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 26243 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 280 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:29,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 26243 Invalid, 2242 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [280 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 16.0s Time] [2022-07-22 23:57:29,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2022-07-22 23:57:29,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5323. [2022-07-22 23:57:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5323 states, 3736 states have (on average 1.3369914346895075) internal successors, (4995), 3772 states have internal predecessors, (4995), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-22 23:57:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 5323 states and 7772 transitions. [2022-07-22 23:57:30,017 INFO L78 Accepts]: Start accepts. Automaton has 5323 states and 7772 transitions. Word has length 98 [2022-07-22 23:57:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:30,018 INFO L495 AbstractCegarLoop]: Abstraction has 5323 states and 7772 transitions. [2022-07-22 23:57:30,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-22 23:57:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 7772 transitions. [2022-07-22 23:57:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-22 23:57:30,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:30,026 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:30,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:30,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:30,250 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:30,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:30,251 INFO L85 PathProgramCache]: Analyzing trace with hash 535438014, now seen corresponding path program 2 times [2022-07-22 23:57:30,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:30,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817728303] [2022-07-22 23:57:30,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:57:30,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:30,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:30,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:57:30,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 23:57:33,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-22 23:57:33,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:57:34,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 23:57:34,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-07-22 23:57:34,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:57:34,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:34,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817728303] [2022-07-22 23:57:34,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817728303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:57:34,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:57:34,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:57:34,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245401455] [2022-07-22 23:57:34,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:57:34,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:57:34,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:34,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:57:34,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:57:34,302 INFO L87 Difference]: Start difference. First operand 5323 states and 7772 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-22 23:57:35,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:35,551 INFO L93 Difference]: Finished difference Result 10615 states and 15496 transitions. [2022-07-22 23:57:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:57:35,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2022-07-22 23:57:35,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:35,581 INFO L225 Difference]: With dead ends: 10615 [2022-07-22 23:57:35,581 INFO L226 Difference]: Without dead ends: 5322 [2022-07-22 23:57:35,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:57:35,599 INFO L413 NwaCegarLoop]: 4193 mSDtfsCounter, 4213 mSDsluCounter, 3884 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 8077 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:35,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4213 Valid, 8077 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 23:57:35,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2022-07-22 23:57:35,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 5322. [2022-07-22 23:57:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3735 states have (on average 1.3362784471218205) internal successors, (4991), 3771 states have internal predecessors, (4991), 1351 states have call successors, (1351), 234 states have call predecessors, (1351), 235 states have return successors, (1426), 1350 states have call predecessors, (1426), 1350 states have call successors, (1426) [2022-07-22 23:57:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7768 transitions. [2022-07-22 23:57:35,767 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7768 transitions. Word has length 102 [2022-07-22 23:57:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:35,768 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7768 transitions. [2022-07-22 23:57:35,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-22 23:57:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7768 transitions. [2022-07-22 23:57:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-22 23:57:35,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:35,777 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 12, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:35,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:35,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:35,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:35,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1111003360, now seen corresponding path program 1 times [2022-07-22 23:57:35,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:35,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172725283] [2022-07-22 23:57:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:57:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:35,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:57:35,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 23:57:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:57:41,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 4112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 23:57:41,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:57:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 295 proven. 3 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-22 23:57:41,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:57:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-22 23:57:42,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 23:57:42,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172725283] [2022-07-22 23:57:42,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172725283] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:57:42,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 23:57:42,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-22 23:57:42,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878576459] [2022-07-22 23:57:42,180 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 23:57:42,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:57:42,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 23:57:42,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:57:42,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:57:42,180 INFO L87 Difference]: Start difference. First operand 5322 states and 7768 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-22 23:57:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:57:49,327 INFO L93 Difference]: Finished difference Result 10657 states and 15803 transitions. [2022-07-22 23:57:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 23:57:49,328 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 158 [2022-07-22 23:57:49,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:57:49,351 INFO L225 Difference]: With dead ends: 10657 [2022-07-22 23:57:49,351 INFO L226 Difference]: Without dead ends: 5352 [2022-07-22 23:57:49,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-07-22 23:57:49,364 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 47 mSDsluCounter, 11226 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 15007 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-22 23:57:49,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 15007 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-22 23:57:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5352 states. [2022-07-22 23:57:49,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5352 to 5322. [2022-07-22 23:57:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5322 states, 3736 states have (on average 1.335117773019272) internal successors, (4988), 3770 states have internal predecessors, (4988), 1351 states have call successors, (1351), 235 states have call predecessors, (1351), 234 states have return successors, (1350), 1350 states have call predecessors, (1350), 1350 states have call successors, (1350) [2022-07-22 23:57:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 5322 states and 7689 transitions. [2022-07-22 23:57:49,532 INFO L78 Accepts]: Start accepts. Automaton has 5322 states and 7689 transitions. Word has length 158 [2022-07-22 23:57:49,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:57:49,533 INFO L495 AbstractCegarLoop]: Abstraction has 5322 states and 7689 transitions. [2022-07-22 23:57:49,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-22 23:57:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 5322 states and 7689 transitions. [2022-07-22 23:57:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-22 23:57:49,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:57:49,542 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:57:49,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:57:49,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 23:57:49,755 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:57:49,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:57:49,756 INFO L85 PathProgramCache]: Analyzing trace with hash -697719776, now seen corresponding path program 2 times [2022-07-22 23:57:49,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 23:57:49,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024125100] [2022-07-22 23:57:49,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:57:49,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 23:57:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 23:57:49,762 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 23:57:49,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process